Apparatus for purifying water.



I Patented July I, I902.

C. L. KENNIGOTT. APPARATUS FOR PUBIFYING WATER.

' A umion me m 20, 1901.

6 Sheets-Sheet I.

(No Model.)

INVENTOI? L mcoe A7TOFNEYS3 WITNESSES ms Norms straws 05.. wuormuma. WASHINGTON. o. c.

No. 703,596. Patentd. July I, I902.

I B. L. KENNICOTT.

APPARATUS FOR PURIFYING WATER.

(Application filed Aug. 20, 1901.)

s Sheets-Sheet 2.

(lie lludeL') 'INVENTOI? A 770/? Em.

If W w NE 7 I WITNESSES:

. No; 703,596. Patented July I, I902.

c. L. KENNICOTT.

APPARATUS FOR PURIFYING WATER.

(Appliuflon filed Aug. 20, 1001.1 (lo lbdal.)

6 Shasta-Shoat 3.

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4M Mm m W H w M h mlll in Hg 0. H m w u m n u i w U/ A m A "w m% A ,2 u t P31811161 luly l, I902. C. L. KENNICOTT. APPARATUS FOR PUBlFY-ING WATER.

(Application filed Aug. 30, 1901.)

(In Modal.)

WITNESSES Patentad July I, I902.

C. L. KENNIGUTT; APPARATUS FOR PURIFYING-WATEB.

(Application filed Aug. 90, 1901.)

6 Sheets$heet 5.

(I0 Indol.)

IN VE N 70/? Ljz mica ii" WITNESSES THE mamus Pzrsk s do, PHOTULITKQU WASHINGTON. o, c.

703596- atented July 1, I902.

c. KENNIGOTT. A

APPARATUS ron PumFYimi WATER. (Application filed Au 20, 1901. (Ilo Modal.) V 6 Sheets-Sheet 6.

W/TNESSES ii :ii Afro/avers] THE mums PETERS no, Puofou'ma, wAsmMnmN. u. c.

//v VENTOH UNITED STATES] PATENT OFFICE.

CASS L. KENNIOOTT, OF CHICAGO, ILLINOIS.

APPARATU s FQRIPU RlFYl N c WATER.

SPECIFICATION forming part of Letters Patent No. 703,596, dated July 1, 1902. Application hea'Au usr-zo. 1901. Serial in. 72,665. (No model.)

To all whont it may concernr p Be it known that 1, (.Ass L. KENNICOTT, a citizen of the United States, residing at Chicago, in the county of Cook andVState ofIllinois, have invented new and useful Improve ments in Apparatus for Purifying'Water, of which the following is a specification. 1

My invention relates particularly to waterpurifying apparatus of "the character described in Patents Nos, 646,108 and 665,606, granted to me, respectively, March 27, 1900, and January 8, 1901. m 1

My primary object is to provide'certa in im provements, first, in the general arrangement of parts, with a view to preventing dangerous or objectionable freezing; second, in matters of details of construction,-with a view to 'simplicity therein, and, third, in the main' softwater tank, with a view to increasing the capacity thereof. V J

My invention is illustrated in its preferred form in the accompanying drawings, in which Figure 1 represents a View of; the apparatus, partly in elevation and partly in section; Fig. 2, an enlarged plan view of the same with the roof and outer tank removed; Fig. 3, a detail view of the water-lift employed; Fig.4, an enlarged broken vertical section taken as indicated at line 4; of Fig. 2; Fig. 5, a still .further enlarged broken section similar to Fig.

4, but showing only a portion thereof ,Fig'; 6,

a plan View of the soda-solution and'auxiliary soft-water tanks shown in Fig; 5; Fig. 7, a detail of the float-controlled valve in the soda-. solution tank; Fig. 8, an enlarged broken sec-x tion at the upper portion of the apparatus, taken as indicated at line 8 of Fig. 2 and illustrating the manner of-- controlling 'thejhardwater supply; Fig. 9, a detail view of the valve controlling the hard-water admission; and Fig. 10 a view similar to Fig. 1, but show-v ing a slight modification of parts. f 7

In the preferred construction, A represents a precipitating-tank having a downtake-conduit A; A a mixing pan or trough having communication with the upper end of the conduit A; B, Figs. 4 to 6, inclusive, a chemical-agent (preferably a solution of soda) tank; B B alternately-used sources of supply for the tank B, the tank B being supplied through a pipe a, receiving its supply alternatelythroughbranch pipes a a controlled, respectively, by manually operated valves a a; B an automatic valve for the pipe at,

the same being controlled by a float B located in the tank B; B B", chemical (soda) receptacles for the tanks 13 B respectively; 13", Figs. 4 and 6, a discharge-pipe for the tank B, having its discharge end located over the pan A ;B' a swinging pipe having connection with the pipe 13 on the inside of the tank B and supplied with an inlet-port b, the height of which is automatically regulated by a float in the hard-water tank; 0, Fig. 1, a chemical-solution (solution of lime) tank located within the precipitating-tank A and preferably within the conduit A; C, Fig. 4, a chemical (lime) basket located at the upper end of the tank 0 and provided with a conduit 0, leading to the lower end of the tank 0; 0 a stirrer-shaft journaled in the bracket 0 which supports the shaft through the medium of a collar 0; G a bracket for the lower portion of the stirrer-shaft; G a

stirrer at the lower end of the shaft C O, a sludge-discharge pipe for the tank 0; G a gate-valve controlling the pipe 0 and having a stem equipped with a rack C operated by a pinion 0 through the medium of a rod 0 extending to the upper portion of the apparatus; D,Figs. 4. to 6, inclusive, a soft-wator tank, afiording a source of supply for the lime-basket O; D, a pipe through which water is delivered from the tank D to the chamber O; D a swinging pipe connected with the ins D inside the tank D andrhavin an admission port d; D an overflow-pipe locatedfin the tank D, said pipe having an open upper end, and its lowerend passing through .thebottom of the tank D; E, a water-lift wheel having curved hollow arms which dip beneath thesurface of the water in the tank A and which communicate with the hollow shaft E, having one,closed end E and communicatingat' its opposite end with the tank D; F, amotor-chambenhaving a discharge above the pan A F, a water-wheel secured to a shaft F having bevel-gear connection f with the stirrer-shaft O i'an'dchain connection f with the water-lift E; G, a hard-water-supply tank having a discharge-orifice g, leadin g to the water-wheel; G, a float located within a guide G in the tank G; H, a frame supporting pulleys 71; H I1 cables connected with the float G and with the swinging pipes B D 1, an annular soft-water-storage tank surrounding the tank A and receiving its supply of water through an overflow I at the upper portion of the precipitating-tank; J, a hard-water-supply pipe connected with a hydrant or other water-supply source and leading to the tank G; J, Figs. 8 and 9, an automatically-operated valve controlling the water-admission to the tank G; J a float located in a guide J in the upper portion of the precipitating tank A; J link and lever connections between the float J and the valve J, and J a branch pipe of the pipe J, through which water is supplied to the soda-baskets B B", said branch pipe being provided with a manually-controlled valve J, Fig. 2, and with a swinging section J which may be alternately directed to the baskets B B.

The precipitating-tank A is provided outside the downwardly-flaring conduit A with the usual perforated baffle-plates 7; and filter 7c, the latter being a short distance below the overflow I. The tank A is provided with a conical bottom 7;, having at its center a sludge-outletcon trolled by an upwardly-opening valve k operated by a lever pivoted on a support 75, connected with the bottom 7.1 the free end of said lever projecting through a slot 7c. in a downward extension 7.; ofthe casing forming the tank A. The downward extension k is provided with a conical bottom 713 and the space between the bottoms k k communicates through a pipe 7t with the sewer. The draw-off pipe C of the tank 0 extends through the bottom and communicates with the space beneath the same. Thus it will be seen that the tank C may be flushed independently of the tank A.

Relatively long I-beams K and relatively short I-beams K, Figs. 2 and L. support the small tanks and mechanism at the upper portion of the apparatus. A cabin I. surmouuts the apparatus and incloses the mechanism and such pipes as are exposed above the tank A. The supplypipe J extends upwardly through the tank A, passing through the bathe-plates 7; thereof, and is in this manner protected against freezing.

As shown in Fig. 4, the discharge from the pan A is through a chute Z to the upper portion of the conduit A, a shelf or bathe-plate Z being arranged beneath the discharge end of said chute to receive the falling stream. Directly above the baffle-plate Z is a discharge-pipePfor thelime-water tank O. Thus it will be seen that the hard water and soda solution passing through the chute I would be met by the lime-water escaping from the top of the tank 0, a thorough mixing being produced at said baffle-plate.

The operation will be readily understood from the foregoing description. Hard water {is maintained at a given height in the tank G by the float-controlling valve regulating the admission thereto, and the tanks B B are alternately filled through the branch pipe J and swinging section J thereof. Each of the tanks B B is large enough to hold one days supply of soda solution. Said sodasolution tanks are alternately drawn upon to supply the tank B,the supply thereto being automatically regulated by the float-controlled valve B. A supply of soft water is maintained at given height in the tank D through the lift-wheel E and overflow D. The swinging pipes B B are of sufficient size to conduct more liquid than can enterthrough the orifices with which said pipes are provided. Consequently the height of liquid above said orifices constitutes the head acting at the discharge for each of tanks B and D. As has been explained, the height of said orifices is regulated by the float G in the tank G, so that the eil'ective heads of liquid in the tanks 13 and D vary with the head in the tank G, as has been fully described in inyaforesaid patent, No.665,606. The stirrer C being in constant operation (when the water-wheel is in operation) prevents settling of the lime in the tank 0. Moreover, the stirrer C is provided centrally with a spadelike downward projection m, which extends into that portion of the pipe C which lies above the valve 0 and prevents caking of the lime above said valve. The tank I may be drawn upon at will for a supply of soft water. The tank C, which is of relatively small diameter, is by reason of its location protected against freezing. \Vhen it is desired to flush out the tank 0 to remove the sediments therefrom, this may be accomplished through the medium of the valve C operated by the rod 0 extending to within convenient reach of the upper portion of the apparatus. The lever K is accessible from the outside of the base of the tank A, and the tank A may be flushed when desired.

In Fig. 10 I have shown the lime-tank C 10- through the filter 7t" and the upper baflleplates 7;. In this construction the positions of the soda-supply tanks B B and of their parts are changed somewhat; but the connections are the same. \Vhile this construction is a less desirable construction than the one above described, it still possesses the advantage that the tank 0 is protected against freezing, and the construction is more compact than constructions heretofore used.

Changes in details of construction within the spirit of my invention may be made.

What I claim as new, and desire to secure by Letters Patent, is

1. In water-purifying apparatus, the combination of an annular soft-water tank, intercommunicating precipitating and chemicalsolution tanks inclosed by said annular tank, said precipitating-tank having communicacated outside the conduit A and passing tion'at its upper portion with said annular charge-passage leading to the lowerportion tank, a vertically disposed stirrer in said chemical-solution tank, a water-wheel geared to said stirrer and having a discharge leading to the upper portion of said precipitating tank, and a hard-water-supply source for said water-wheel, substantially as described.

2. In water-purifying apparatus, the combination of a precipitating-tank, a chemicalsolution tank within said precipitating-tank, a source of hard-water supply above said precipitating-tank, a stirrer in said chemicalsolution tank, a water-wheel geared to said stirrer and operated by the hard water and having a discharge leading to said precipitating-tank, and an overflow for supplying liquid from saidchemical-solution tank to said precipitating-tank.

3. In water-purifying apparatus, the combination with a precipitating-tank having a downtake-conduit located therein, of a chemical-solution tank within said conduit, said last-named tank having communication near its upper end with the upper portion of said conduit.

4. In water-purifying apparatus, the combination of a precipitating-tank provided at its bottom with a valved discharge-opening, a chemical-solution tank within said firstnamed tank,a discharge-passage leading from said last-named tank through a Wall of said first-named tank, and a valve controlling the discharge from the lower end of said chemicalsolut-ion tank.

5. In water-purifying apparatus, the combination of a precipitating-tank provided with a downtake-conduit, a chemical-solution tank located in the upper portion of said conduit and provided near its upper end with an over flow-port, a stirrer Within said last-named tank, a stirrer-shaft, a water-wheel, adis charge-passage leading therefrom to the upper portion ofsaid conduit adjacent to said overflow-port, a hard-water-supply source communicating with said water-Wheel, and

- gear connections between said water-wheel and stirrer-shaft.

6. In water-purifying apparatus, the combination of a precipitating-tank provided with a downtake-conduit, a chemical-solution tank within said conduit and provided at its upper end with an overflow-port, a water-supply source for said last-named tank, a waterwheel, a discharge-passage leading therefrom and communicating with the upper portion of said conduit adjacent to said overflow-port, a chemical-solution tank provided with a discharge-passage communicating with the passage leading from said water-wheel, and a hard-water tank communicating with said water-wheel.

7. In water-purifying apparatus, the combination of a precipitating-tankprovided with a downtake-conduit, a lime-water tank located in the upper portion of said conduit and provided with a lime-basket having a discharge therethrough, a water-wheel, a discharge-passage leading therefrom and communicating with the upper portion of said conduit adjacent to said overflow-port, the discharge from said soda-solution tank passing to the same point, and a hard-water-sup ply source for said water-wheel. I

8. In'water-purifying apparatus, the combination with a precipitating-tank, of a lime- Water tank within said precipitating-tank provided at its lower end with a discharge-pipe passing through a wall of said precipitatingtank, a valve extending transversely of said pipe, an actuating-rod for said valve having its upper end located at the upper portion of the apparatus, and connections between said rod and valve through the medium of which said valve is operated.

9. In apparatus of the character described, the combination with a precipitating tank having a downtake-conduit, and provided beneath the lower end of said conduit with a conical bottom, of an inclosed chemical-solution tank having a conical bottom and a pipe leading therefrom and extending through the bottomof said precipitating-tank, a centrallylocated valve at the bottom of said precipitating tank, a valve at the lower end of said chemical-solution tank, and inclosed operatingmeans for said last-named valve extending to the upper portion of the apparatus.

10. In water-purifying apparatus, the combination with a precipitating-tank having a downtake-conduit, of a lime-water tank located in said conduit, a stirrer in said lastnamed tank, a vertical stirrer shaft, a waterwheel having a transverse shaft geared to said stirrer-shaft, a water-lift wheel havingan axis parallel to said water wheel shaft geared thereto, a soft-water tank supplied by said water-lift wheel and provided with an overfiow, a lime-basket in the upper portion of said lime-water tank, a pipe leading from said softwater tank to said lime-basket, an overflowport for said lime-water tank communicating with the upper'portion of said conduit, a passage leading from said water-wheel to the upper portion of said conduit adjacent to said overflow-port, a soda solution tank, a discharge pipe therefor communicating with said last-named passage, a source of supply for said soda-solution tank, means for autotomatically controlling the passage of liquid matioally regulating the admission therefrom from said soft-water tank and said soda-s01u- I0 into said soda-solution tank, a hard-water tion tank.

tank at the upper portion of said water-wheel,

5 a supply source therefor, means for main- CASS KENNICOTT' taining the water in said last-named tank at In presence ofa given height, a float in said last-named tank, D. W. LEE, and means connected With said float; for an- J. H. LEE. 

